Product Description
Working Principle of Off-Grid Solar Power Generation System
1. Photoelectric Conversion
When sunlight irradiates solar panels, based on the photovoltaic effect, semiconductor materials in the panels absorb photon energy, generating electron-hole pairs that form an electric current. This process converts solar energy into direct current (DC).
2. Charging Control
The DC power generated by the solar panels enters a controller, which monitors parameters (such as voltage and current) and adjusts the charging process from the panels to the battery. This ensures safe charging and prevents overcharging.
3. Energy Storage
The battery stores electrical energy through internal chemical reactions, converting it into chemical energy for storage. When sunlight is insufficient, it reverses the process, converting chemical energy back into electrical energy for output.
4. Inversion and Output
An inverter transforms the DC power from the battery into standard alternating current (AC). It also controls the quality of the output by regulating parameters like voltage and frequency to meet grid-standard requirements.
5. Load Power Supply
The AC power generated by the inverter is transmitted to various electrical loads to meet their power demands. The system dynamically balances and stabilizes the power supply according to real-time load requirements, ensuring stable operation.
Product Parameters
| Item |
140KW |
| Half Cell Solar Panel |
224pieces |
| Hybrid off-grid inverter |
Deye 30K Inverter |
| lithium battery |
71KWH |
| Mounting bracket |
Tile Roof/Ground |
| MC4Connector |
28pcs |
| Installation Manual |
Yes |
Solar Monocrystalline Panel
Monocrystalline cell: Monocrystalline N-type
Module size: 2382*1134*30mm
Maximum power: 625W
Open circuit voltage: 48.6V
Short circuit current: 16.14A
Maximum power point voltage: 41.14V
Maximum power point current: 15.11A
Lithium Iron Phosphate Battery
Mode: 71K
Nominal voltage (V):307.2v
Nominal Capacity: 280
Dimension moudle(mm):483*245*792*5
Weight(Kg):665
Nominal Capacity(Kwh):71.6Kwh
Maximum charging current (A):140
Working temperature (ºC):0-50ºCcharg 10-50ºCDischarge
Deye Inverter
model:SUN-30K-8G01HP3 -EU-BM3
Battery lype:Lithium- Ion
Battery Voltage Range(V):160 -800
lax.Charging Current(A):50 + 50
Max.Discharging Current(A):50 + 50
Max. PV Access Power(W):60000
Max. PV Input Power:48000
Max. PV Input Voltage(V):1000
Max. Operating PV Input Current(A):36 + 36 + 36
Max Input Short-Circuit Current(A):55 + 55 + 55
Max. Efficiency:97.60%
Euro Efficiency:97.00%
MPPT Efficiency:>99%
Auxiliary materials
Grounding electrode,
grounding flat iron,
Conduit,
photovoltaic cable,
MC4 connector
Detailed Photos
Company Profile
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